Mellanox

RHEL7

Run

yum install numactl

cd /root
cp /usr/downloads/MLNX_OFED_LINUX-2.4-1.0.4-rhel7.1-x86_64.iso .
mkdir tmp
mount -o loop MLNX_OFED_LINUX-2.4-1.0.4-rhel7.1-x86_64.iso tmp
cd tmp
./mlnxofedinstall

Run command

/sbin/connectx_port_config --show

to display port settings, change it with

/sbin/connectx_port_config 

setting all ports to 'eth'.

Configure new 'eth' port as desired (left port seems p6p2 now ...). Use for example text interface to NetworkManager called 'nmtui'.

RHEL6: Atfer it installed, run /usr/bin/system-config-network and setup p6p1 device as manual network with appropriate settings. Shutdown computer, unplug copper cable and start computer, 10G fiber link should become default one.